No, it's not a steampunk chemistry set. That picture is of the United States' only halogen-powered siphon bar. Imported from Japan after years of negotiations, the $20,000+ machine is housed at San Francisco's Blue Bottle Café. Each "pot" consists of two globes. Water vapor evaporates from the bottom globe into the… »1/23/08 10:43am 1/23/08 10:43am